
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: zhongyisheng
 * Date: 2024-09-25
 * Time: 15:13
 */
public class Main {



    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            String n = in.nextLine();
            System.out.println(n.toString());
//
        }
    }
}
